High-precision high-strength high-modulus polyethylene fiber spinneret plate

Abstract

The utility model discloses a high-precision high-strength high-modulus polyethylene fiber spinneret plate which comprises a base plate, a mounting hole is formed in the base plate, a sinking groove is further formed in the base plate, a plurality of through holes are further formed in the sinking groove, and an inner plate assembly is arranged in the sinking groove. The inner plate assembly comprises a plate body located in the sinking groove, a plurality of flanging holes are formed in the plate body, the flanging holes are inserted into the through holes, and connecting tables are arranged in the flanging holes. According to the spinneret plate, the base plate is arranged to be matched with existing polyethylene fiber spinning processing equipment, the inner plate assembly is adopted, and the replaceable hole core is arranged to serve as a forming piece for spinning processing, so that subsequent cleaning of the spinneret plate is facilitated, only the damaged hole core needs to be replaced after the hole core is damaged, and on the other hand, the hole core can be replaced conveniently. And when polyethylene fibers with different specifications are produced, only the hole core needs to be replaced, so that the equipment cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of polyethylene fiber processing equipment, in particular to a high-precision high-strength and high-modulus polyethylene fiber spinneret plate. Background Art

[0002] The spinneret plate is also called a spinning cap. The function of the spinneret plate is to convert the viscous high-polymer melt or solution into a thin stream with a specific cross-sectional shape through micropores, and form filaments after being solidified by a coagulation medium such as air or a coagulation bath.

[0003] When producing polyethylene fibers by the wet process route, a spinning dope of ultra-high molecular weight polyethylene is prepared using low-volatility substances such as mineral oil and white oil as solvents, and then it is extruded through a spinneret plate to obtain polyethylene fibers. After the polyethylene fiber products are solidified, their adsorption is relatively strong and cleaning is extremely laborious, resulting in inconvenient cleaning of the spinneret plate after use. At the same time, after the spinneret plate is used, it is easy to be scrapped due to damage to some holes, increasing the equipment cost. Therefore, we propose a high-precision high-strength and high-modulus polyethylene fiber spinneret plate to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems existing in the prior art, and to propose a high-precision high-strength and high-modulus polyethylene fiber spinneret plate.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A high-precision high-strength and high-modulus polyethylene fiber spinneret plate, including a substrate, an installation hole is opened on the substrate, a sinking groove is also opened on the substrate, a plurality of through holes are opened on the sinking groove, and an inner plate assembly is arranged in the sinking groove;

[0007] The inner plate assembly includes a plate body arranged in the sinking groove. A plurality of flanging holes are opened on the plate body. The flanging holes are inserted into the through holes. A connecting platform is arranged in the flanging holes, and a hole core is clamped in the connecting platform. One end of the hole core close to the plate body is fixedly connected with a limiting platform. An annular groove is opened on the side wall of the hole core far from the limiting platform. A limiting plate is also arranged on the substrate, and a plurality of strip-shaped grooves are opened on the limiting plate. The hole core penetrates through the strip-shaped grooves. A connecting hole identical to the installation hole is opened on the limiting plate.

[0008] A pressing plate is also arranged in the sinking groove. The pressing plate abuts against the plate body. A sealing gasket is arranged at one end of the pressing plate close to the plate body. Connecting blocks are fixedly connected to both sides of the pressing plate. Grooves matching the connecting blocks are opened on the substrate.

[0009] The hole core includes a main body, on which a plurality of micropores are provided. One end of the main body is provided with a tapered sleeve, the limiting platform is fixedly connected to the tapered sleeve, and the annular groove is arranged on the main body.

[0010] A convex platform is arranged on the side of the substrate away from the sinking groove.

[0011] The width of the annular groove is equal to the thickness of the limiting plate, and the width of the strip-shaped groove is greater than the outer diameter of the hole core.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, by arranging the substrate to be adapted to the existing polyethylene fiber spinning processing equipment, and adopting the inner plate assembly, a replaceable hole core is set as the forming part for spinning processing, which not only facilitates the subsequent cleaning of the spinneret plate, but also only needs to replace the damaged hole core when the hole core is damaged. On the other hand, when producing polyethylene fibers of different specifications, only the hole core needs to be replaced, reducing the equipment cost;

[0014] 2. In the present utility model, by arranging the limiting plate, the hole core can be fixed by the county committee office cooperating with the annular groove during the installation process. By arranging the pressing plate, the inner plate assembly can be further fixed to ensure that the hole core will not be displaced during the production process. By arranging the convex platform, it can be avoided that the uncured polyethylene fibers directly adhere to the spinneret plate when the spinneret plate extrudes filaments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a high-precision high-strength high-modulus polyethylene fiber spinneret plate proposed by the present utility model;

[0016] Figure 2 It is a schematic cross-sectional structure diagram of a high-precision high-strength high-modulus polyethylene fiber spinneret plate proposed by the present utility model;

[0017] Figure 3 It is a schematic diagram of the hole core structure of a high-precision high-strength high-modulus polyethylene fiber spinneret plate proposed by the present utility model.

[0018] In the figure: 1. Substrate; 2. Installation hole; 3. Plate body; 4. Flanging hole; 5. Connection platform; 6. Limiting platform; 7. Limiting plate; 8. Strip-shaped groove; 9. Connection hole; 10. Pressing plate; 11. Sealing gasket; 12. Connection block; 13. Main body; 14. Tapered sleeve; 15. Convex platform. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0020] Referring to Figures 1-3 , a high-precision high-strength and high-modulus polyethylene fiber spinneret, including a substrate 1, an installation hole 2 is opened on the substrate 1, a sink is also opened on the substrate 1, a plurality of through holes are opened on the sink, and an inner plate assembly is arranged in the sink;

[0021] The inner plate assembly includes a plate body 3 arranged in the sink. A plurality of flanging holes 4 are opened on the plate body 3. The flanging holes 4 are inserted into the through holes. A connecting platform 5 is arranged in the flanging holes 4, and a hole core is clamped in the connecting platform 5. One end of the hole core close to the plate body 3 is fixedly connected with a limiting platform 6. An annular groove is opened on the side wall of the hole core far from the limiting platform 6. A limiting plate 7 is also arranged on the substrate 1, and a plurality of strip-shaped grooves 8 are opened on the limiting plate 7. The hole core passes through the strip-shaped grooves 8, and a connecting hole 9 identical to the installation hole 2 is opened on the limiting plate 7.

[0022] In the above design, the flanging hole 4 of the inner plate assembly is a tapered hole. When the user conducts the spinning production of polyethylene fibers, first select a suitable hole core and place the hole core into the flanging hole 4, then place the plate body 3 into the sink, and make the hole core pass through the through hole. Subsequently, the user places the limiting plate 7 on the substrate 1, and then slides the limiting plate 7 so that part of the limiting plate 7 is clamped into the annular groove, and the assembly of the entire spinneret can be completed. Then, use bolts to sense the connecting hole 9 and the installation hole 2 to fix the spinneret on the spinning equipment, and the production of polyethylene fibers can be carried out. In this design, the hole core is made separately, and according to actual needs, a plurality of micropores can be opened on a single hole core. After the production is completed, the user removes the hole core and places the hole core into the cleaning equipment to clean the micropores on the hole core separately. There are fewer cleaning dead corners on the substrate 1 and the plate body 3, and it can be processed more easily, especially suitable for the use scenario of mass production. At the same time, when producing polyethylene fibers of different specifications, the user only needs to replace the hole core, which not only reduces the equipment cost but also reduces the equipment pipeline storage cost of the spinneret.

[0023] Furthermore, a pressing plate 10 is also arranged in the sink. The pressing plate 10 abuts against the plate body 3. A sealing gasket 11 is arranged at one end of the pressing plate 10 close to the plate body 3. The sealing gasket 11 is made of a high-temperature resistant material. Connecting blocks 12 are fixedly connected to both sides of the pressing plate 10, and grooves matching the connecting blocks 12 are opened on the substrate 1;

[0024] In this design, after the spinneret plate is installed, both sides of the pressing plate 10 are respectively abutted against the spinning equipment and the plate body 3, and the connecting block 12 cooperates with the groove to position the pressing plate 10. This design can further limit the pressing plate 10 and also facilitate a better docking of the pressing plate 10 with the spinning equipment.

[0025] Furthermore, the hole core includes a main body 13. A plurality of micropores are formed in the main body 13. One end of the main body 13 is provided with a tapered sleeve 14. The limiting platform 6 is fixedly connected to the tapered sleeve 14. The annular groove is arranged on the main body 13.

[0026] Among them, the micropores are for forming filaments. The tapered sleeve 14 guides the molten polyethylene fibers. At the same time, the tapered sleeve 14 and the limiting platform 6 enable the hole core to better cooperate with the flanging hole 4, facilitating the installation of the hole core by the user.

[0027] Furthermore, a convex platform 15 is arranged on one side of the substrate 1 away from the sinking groove. The setting of the convex platform 15 can make the distance between the polyethylene fibers after spinning and the substrate 1 farther, preventing the non-cured polyethylene fibers from directly adhering to the spinneret plate when the spinneret plate is spinning.

[0028] Furthermore, the width of the annular groove is equal to the thickness of the limiting plate 7, and the width of the strip-shaped groove 8 is greater than the outer diameter of the hole core. This design ensures the cooperation between the limiting plate 7 and the annular groove, enabling the limiting plate 7 to fix the hole core.

[0029] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A high-precision high-strength high-modulus polyethylene fiber spinneret, comprising a substrate (1), wherein a mounting hole (2) is provided on the substrate (1), characterized in that: The base plate (1) is also provided with a sinking groove, the sinking groove is also provided with a plurality of through holes, and an inner plate assembly is arranged in the sinking groove; The inner plate assembly comprises a plate body (3) arranged in a sink groove, a plurality of flanged holes (4) are provided on the plate body (3), the flanged holes (4) are inserted into the through holes, a connecting platform (5) is provided in the flanged holes (4), and a hole core is clamped in the connecting platform (5), one end of the hole core close to the plate body (3) is fixedly connected to a limiting platform (6), a side wall of the hole core away from the limiting platform (6) is provided with an annular groove, a limiting plate (7) is also provided on the base plate (1), and a plurality of strip grooves (8) are provided on the limiting plate (7), the hole core is arranged to penetrate the strip grooves (8), and a connecting hole (9) identical to the mounting hole (2) is provided on the limiting plate (7).

2. A high-precision high-strength and high-modulus polyethylene fiber spinneret according to claim 1, characterized in that: A pressure plate (10) is also provided in the sink groove, and the pressure plate (10) is arranged to abut against the plate body (3). A sealing gasket (11) is provided at one end of the pressure plate (10) close to the plate body (3). Connecting blocks (12) are fixedly connected to both sides of the pressure plate (10), and a groove matching the connecting block (12) is provided on the base plate (1).

3. The high-precision high-strength and high-modulus polyethylene fiber spinneret according to claim 1, characterized in that: The hole core comprises a main body (13), a plurality of micro-holes are formed on the main body (13), a conical sleeve (14) is arranged at one end of the main body (13), the limiting platform (6) is fixedly connected to the conical sleeve (14), and the annular groove is arranged on the main body (13).

4. The high-precision high-strength and high-modulus polyethylene fiber spinneret according to claim 1, characterized in that: A boss (15) is provided on a side of the base plate (1) away from the sink.

5. The high-precision high-strength and high-modulus polyethylene fiber spinneret according to claim 1, characterized in that: The width of the annular groove is equal to the thickness of the limiting plate (7), and the width of the strip groove (8) is greater than the outer diameter of the hole core.

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